CN216966999U

CN216966999U - Workpiece positioning device for machining of three-axis numerical control milling machine

Info

Publication number: CN216966999U
Application number: CN202220783206.6U
Authority: CN
Inventors: 谢绚雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-15
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to the technical field of workpiece positioning, and discloses a workpiece positioning device processed by a three-axis numerical control milling machine, which comprises a bottom plate, wherein the middle part of the fixed plate is in threaded connection with a first threaded rod, one end of the inner side of the first threaded rod is in rotational connection with a push plate, the drive end of a double-headed motor is in fixed connection with a second threaded rod, the outer diameter of the second threaded rod is in threaded connection with a moving block, and the top ends of the moving blocks are in fixed connection with clamping plates. According to the clamping device, the sliding chute, the double-end motor, the second threaded rod, the moving block and the clamping plate are arranged, the double-end motor controls the second threaded rod to rotate to drive the moving block and the clamping plate to move back and forth, so that workpieces to be machined are clamped, the first threaded rod is rotated to drive the push plate to move left and right through the fixed plate, the first threaded rod, the push plate and the turntable, so that the workpieces to be machined are abutted, the workpieces to be machined are fully fixed, and the positioning accuracy of the workpieces is improved.

Description

Workpiece positioning device for machining of three-axis numerical control milling machine

Technical Field

The utility model relates to the technical field of workpiece positioning, in particular to a workpiece positioning device for machining of a three-axis numerical control milling machine.

Background

In various current machining, workpiece positioning is an indispensable machining step, non-rigid workpieces with large body lengths such as columns, pipes and liners cannot be fixed by a conventional strong and hard clamping structure, for example, a clamp of a lathe is only suitable for fastening rigid workpieces and cutting the rigid workpieces and a prop through rotation, and internal and external stresses borne by the workpieces are very large in the process, so that the non-rigid workpieces cannot be fastened by the clamping mode, and the workpieces such as pipe-shaped parts and liners are generally positioned by a supporting type abutting structure from the peripheral outer wall in the machining process.

Chinese patent document CN204277864U provides a workpiece positioning device, which includes an objective table with a horizontal end face, wherein a reference block and an auxiliary positioning block are fixed on the objective table; the reference block is provided with a reference surface vertical to the horizontal end surface of the objective table; the auxiliary positioning block is arranged at the position right opposite to the reference surface; the auxiliary positioning block is provided with at least two through holes, and the through holes are vertical to the reference surface; each through hole is internally provided with an elastic element and at least one rigid ball which is in clearance fit with the through hole; one end of the through hole, which is opposite to the reference surface, is opened, and the other end of the through hole is closed; one end of the elastic element is abutted against the closed end of the through hole, and the other end pushes the ball along the through hole; one end of the through hole opening is provided with a blocking part. Above-mentioned device comes the mode of assistance-localization real-time through adopting the interior ball that sets up elastic element propelling movement rigidity of multiunit through-hole for maintenance cost reduces and positioning accuracy is higher, but has the problem, and if device positioning accuracy is lower, the inconvenient use of device, the relatively poor scheduling problem of practicality, consequently, we carry out certain improvement to current positioner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a workpiece positioning device for machining of a three-axis numerical control milling machine.

In order to achieve the purpose, the utility model adopts the following technical scheme: workpiece positioning device of triaxial numerically controlled fraise machine processing, comprising a base plate, the equal fixedly connected with fixed plate in bottom plate top left and right sides middle part, the equal threaded connection in fixed plate middle part has first threaded rod, the inboard one end of first threaded rod all rotates and is connected with the push pedal, the equal fixedly connected with gag lever post in both sides middle part around the push pedal outside one end, both sides all are provided with spacing hole around the fixed plate, bottom plate top middle part is provided with the spout, the middle part of spout bottom inner wall all is provided with double-end motor, the equal fixedly connected with second threaded rod of double-end motor drive end, the equal threaded connection of second threaded rod external diameter has the movable block, the equal fixedly connected with clamp plate in movable block top, the bottom plate four corners all is provided with the mounting hole.

As a further description of the above technical solution:

and a second rubber pad is arranged at one end of the inner side of the push plate.

As a further description of the above technical solution:

the equal fixedly connected with carousel in first threaded rod outside one end.

As a further description of the above technical solution:

the bottom of the front side and the rear side of the inner side end of the fixing plate are fixedly connected with reinforcing ribs.

As a further description of the above technical solution:

and one end of the inner side of the clamping plate is provided with a first rubber pad.

As a further description of the above technical solution:

the outer diameters of the limiting rods are connected to the inner wall of the limiting hole in a sliding mode.

As a further description of the above technical solution:

the middle part of the top end of the bottom plate is provided with a placing groove.

As a further description of the above technical solution:

the bottom plate bottom left and right sides middle part all is provided with the spacing groove.

The utility model has the following beneficial effects:

1. according to the utility model, a worker places a workpiece to be machined on the placing groove of the bottom plate, the double-end motor controls the second threaded rod to rotate by arranging the sliding groove, the double-end motor, the second threaded rod, the moving block and the clamping plate, so that the moving block and the clamping plate are driven to move back and forth, and the workpiece to be machined is clamped.

2. According to the workpiece positioning device, the limiting hole and the limiting rod are arranged, the limiting effect is achieved in the moving process of the push plate, the situation that the workpiece positioning precision is influenced due to the fact that the push plate deviates in the clamping process is avoided, the workpiece positioning tool is fully fixed through the arrangement of the mounting hole and the limiting groove, the positioning precision is guaranteed, the workpiece positioning device is reasonable in structural design, convenient to use and high in practicability.

Drawings

FIG. 1 is a schematic perspective view of a workpiece positioning device machined by a three-axis numerically controlled milling machine according to the present invention;

FIG. 2 is a front sectional view of a workpiece positioning device machined by a three-axis numerically controlled milling machine according to the present invention;

fig. 3 is a right-view cross-sectional view of the workpiece positioning device machined by the three-axis numerically controlled milling machine according to the present invention.

Illustration of the drawings:

1. a base plate; 2. a fixing plate; 3. a limiting hole; 4. a turntable; 5. a first threaded rod; 6. a limiting rod; 7. pushing the plate; 8. a first rubber pad; 9. a second rubber pad; 10. reinforcing ribs; 11. mounting holes; 12. a placement groove; 13. a clamping plate; 14. a chute; 15. a limiting groove; 16. a double-headed motor; 17. a second threaded rod; 18. moving the mass.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a workpiece positioning device processed by a three-axis numerical control milling machine comprises a bottom plate 1, wherein the middle parts of the left side and the right side of the top end of the bottom plate 1 are fixedly connected with a fixed plate 2, the middle part of the fixed plate 2 is in threaded connection with a first threaded rod 5, one end of the inner side of the first threaded rod 5 is rotatably connected with a push plate 7 so as to abut against a workpiece to be processed, the workpiece to be processed is fully fixed, the positioning precision of the workpiece is improved, the middle parts of the front side and the rear side of one end of the outer side of the push plate 7 are fixedly connected with limit rods 6, the front side and the rear side of the fixed plate 2 are respectively provided with limit holes 3, the limit function is realized during the movement of the push plate 7, the deviation in the clamping process of the push plate 7 is avoided, the positioning precision of the workpiece is influenced, the middle part of the top end of the bottom plate 1 is provided with a chute 14, the middle part of the inner wall of the bottom end of the chute 14 is provided with a double-headed motor 16, the driving end of the double-headed motor 16 is fixedly connected with a second threaded rod 17, and the outer diameter of the second threaded rod 17 is in threaded connection with a moving block 18, the top ends of the moving blocks 18 are fixedly connected with clamping plates 13 so as to clamp workpieces to be machined, four corners of the bottom plate 1 are provided with mounting holes 11, workers place the workpieces to be machined on the placing grooves 12 of the bottom plate 1, the double-end motor 16, the second threaded rod 17, the moving blocks 18 and the clamping plates 13 are arranged, the double-end motor 16 controls the second threaded rod 17 to rotate so as to drive the moving blocks 18 and the clamping plates 13 to move back and forth so as to clamp the workpieces to be machined, the first threaded rod 5, the push plate 7 and the turntable 4 are arranged, the first threaded rod 5 is rotated to drive the push plate 7 to move left and right so as to prop against the workpieces to be machined, the workpieces to be machined are fully fixed, the positioning precision of the workpieces is improved, the limiting holes 3 and the limiting rods 6 are arranged in the movement of the push plate 7, the deviation in the clamping process of the push plate 7 is avoided, and the positioning precision of the workpieces is influenced, through being provided with mounting hole 11 and spacing groove 15 to this work piece location frock of fully fixing has guaranteed positioning accuracy, and this work piece positioner structural design is reasonable, facilitates the use, has higher practicality.

7 inboard one ends of push pedal all are provided with second rubber pad 9, play the cushioning effect, 5 outside one end equal fixedly connected with carousel 4 of first threaded rod, conveniently rotate first threaded

rod

5, 2 inboard one ends of fixed plate equal fixedly connected with strengthening rib 10 in both sides bottom around, improve the intensity of

fixed plate

2, 13 inboard one ends of clamp plate all are provided with first rubber pad 8, play the cushioning effect, 6 equal sliding connection in spacing hole 3 inner walls of external diameter of gag lever post, play limiting displacement, 1 top middle part of bottom plate is provided with standing

groove

12, 1 bottom left and right sides middle part of bottom plate all is provided with spacing groove 15, abundant PMKD 1.

The working principle is as follows: a worker places a workpiece to be machined on a placing groove 12 of a bottom plate 1, the workpiece to be machined is clamped by arranging a sliding groove 14, a double-head motor 16, a second threaded rod 17, a moving block 18 and a clamping plate 13, the double-head motor 16 controls the second threaded rod 17 to rotate and drives the moving block 18 and the clamping plate 13 to move back and forth, the workpiece to be machined is rotated by arranging a fixing plate 2, a first threaded rod 5, a push plate 7 and a turntable 4, the first threaded rod 5 is rotated to drive the push plate 7 to move left and right to abut against the workpiece to be machined, the workpiece to be machined is fully fixed, the positioning precision of the workpiece is improved, a limiting effect is realized in the moving process of the push plate 7 by arranging a limiting hole 3 and a limiting rod 6, the deviation in the clamping process of the push plate 7 is avoided, the positioning precision of the workpiece is influenced, the positioning tool of the workpiece is fully fixed by arranging a mounting hole 11 and a limiting groove 15, and the positioning precision is ensured, the workpiece positioning device is reasonable in structural design, convenient to use and high in practicability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Workpiece positioning device of triaxial numerically controlled fraise machine processing, including bottom plate (1), its characterized in that: the middle parts of the left side and the right side of the top end of the bottom plate (1) are fixedly connected with fixing plates (2), the middle part of the fixed plate (2) is in threaded connection with a first threaded rod (5), one end of the inner side of the first threaded rod (5) is in rotary connection with a push plate (7), the middle parts of the front side and the rear side of one end of the outer side of the push plate (7) are fixedly connected with limit rods (6), the front side and the rear side of the fixing plate (2) are both provided with limiting holes (3), the middle part of the top end of the bottom plate (1) is provided with a sliding chute (14), the middle part of the inner wall of the bottom end of the sliding chute (14) is provided with a double-head motor (16), the driving ends of the double-head motor (16) are fixedly connected with second threaded rods (17), the outer diameter of the second threaded rod (17) is connected with a moving block (18) in a threaded manner, the top end of the moving block (18) is fixedly connected with a clamping plate (13), and four corners of the bottom plate (1) are provided with mounting holes (11).

2. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: and a second rubber pad (9) is arranged at one end of the inner side of the push plate (7).

3. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: the equal fixedly connected with carousel (4) of first threaded rod (5) outside one end.

4. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: the bottom parts of the front side and the rear side of the inner side end of the fixing plate (2) are fixedly connected with reinforcing ribs (10).

5. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: and one end of the inner side of the clamping plate (13) is provided with a first rubber pad (8).

6. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: the outer diameter of the limiting rod (6) is connected to the inner wall of the limiting hole (3) in a sliding mode.

7. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: the middle part of the top end of the bottom plate (1) is provided with a placing groove (12).

8. The workpiece positioning device for three-axis numerically controlled milling machine processing according to claim 1, characterized in that: the middle parts of the left side and the right side of the bottom end of the bottom plate (1) are provided with limit grooves (15).